package collection;

import java.util.ArrayList;
import java.util.List;

/** subList()方法的演示 */
public class SubListDemo {
    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(i*10);
        }
        System.out.println("list:"+list);

        List<Integer> subList = list.subList(3, 6);
        System.out.println("subList:"+subList);
        System.out.println("list:"+list);

        for (int i = 0; i < subList.size(); i++) {
            subList.set(i,subList.get(i)*10);
        }

        System.out.println("subList:"+subList);
        System.out.println("list:"+list);

        list.remove(0);
        System.out.println("list:"+list);
        //原集合长度修改之后，子集将不能在进行任何操作，操作则发生异常，但可以重新获取子集
        //System.out.println("subList:"+subList); //运行时发生异常


    }
}
